| Image Coa: | Unterwaldhausen Wappen.jpg |
| Coordinates: | 47.9019°N 9.4706°W |
| Image Plan: | Unterwaldhausen in RV.svg |
| State: | Baden-Württemberg |
| Region: | Tübingen |
| District: | Ravensburg |
| Gemeindeverwaltungsverband: | Altshausen |
| Elevation: | 649 |
| Area: | 4.11 |
| Postal Code: | 88379 |
| Area Code: | 07587 |
| Licence: | RV |
| Gemeindeschlüssel: | 08 4 36 077 |
| Website: | www.gvv-altshausen.de |
| Mayor: | Josef Schill |
| Leader Term: | 2016 - 24 |
Unterwaldhausen is a town in the district of Ravensburg in Baden-Württemberg in Germany.